Sub-part of the unfinished building project next door—Nishiyama Ronin
The story of Li Cheng and Ronin Fifteen.
He was just begging for food. He didn't know how to make a living in other ways, and no one taught him. However, he was very proficient in killing people. After all, he had learned this skill since he was a child.
Concept: A story about a killer who only knows how to cut people and is taught to love.